Re: [PATCH v11 07/14] HMM: mm add helper to update page table when migrating memory v2.

From	"Hillf Danton" <hillf.zj@alibaba-inc.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v11 07/14] HMM: mm add helper to update page table when migrating memory v2.
Date	2015-10-22 11:50 +0200
Message-ID	<qmkFu-6UJ-51@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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> 
> This is a multi-stage process, first we save and replace page table
> entry with special HMM entry, also flushing tlb in the process. If
> we run into non allocated entry we either use the zero page or we
> allocate new page. For swaped entry we try to swap them in.
> 
Please elaborate why swap entry is handled this way.


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Re: [PATCH v11 07/14] HMM: mm add helper to update page table when migrating memory v2. "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2015-10-22 11:50 +0200
  Re: [PATCH v11 07/14] HMM: mm add helper to update page table when  migrating memory v2. Jerome Glisse <jglisse@redhat.com> - 2015-10-22 16:30 +0200
    Re: [PATCH v11 07/14] HMM: mm add helper to update page table when migrating memory v2. "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2015-10-23 05:30 +0200

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